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Bid Number: PN22-1066
Bid Title: WWTP Blower Replacement Project
Category: Public Works
Status: Closed


The City of Silverton is seeking bids to replace 2-3 existing blowers with new blowers with variable frequency drives and replace probes and controls for monitoring of pH, dissolved oxygen, ammonia, oxidation reduction potential, and total suspended solids at its Wastewater Treatment Plant.   The project includes removal of existing equipment being replaced.  If the new blower requires a larger concrete pad for placement work will include construction of a larger concrete pad.  The project also has an additive bid to replace a third blower if sufficient funding is available.  The Contractor will hire the City’s integrator to program the blowers to operate based on dissolved oxygen levels in the basins it receives from the new probes that are installed.  The selected contractor will install the new equipment, complete all required electrical connections, and other work necessary to ensure the new equipment is installed and operating correctly.  

Publication Date/Time:
9/21/2022 4:30 PM
Publication Information:
Published in Statesman Journal 9/22/22, DJC 9/23/22
Closing Date/Time:
10/20/2022 2:00 PM
Submittal Information:
Submit bid by mail or hand delivery.
Bid Opening Information:
10/20/2022 at 2:00 PM
Addendum Date/Time:
#1 - 10/14/2022
Pre-bid Meeting:
No Pre-bid Meeting
Contact Person:
Bart Stepp, City Engineer, at 503-874-2209 or
Download Available:
Plan & Spec Available:
On City of Silverton website,
Business Hours:
8 AM - 5 PM, Monday - Friday
Contractors must have active registration with the Oregon Contractor's Board and be able to provide performance and payment bonds for the project.
Related Documents:
View Document(s)

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